create base page with card

assets/css/global.css

@@ -0,0 +1,33 @@
+:root {
+    --bg-color: #302050;
+    --outline-color: #6040A0;
+    --text-color: white;
+    color: var(--text-color);
+    background-color: var(--bg-color);
+}
+
+body {
+    margin: 0;
+    padding: 0;
+
+    display: flex;
+    height: 100dvh;
+    width: 100dvw;
+    align-items: center;
+    justify-content: center;
+    
+}
+
+main {
+    display: flex;
+    padding: 16px;
+    gap: 8px;
+    outline: 4px var(--outline-color) solid;
+    flex-direction: column;
+}
+
+main > span {
+    font-size: 32px;
+    font-family: sans-serif;
+    text-align: center;
+}